Home / 277,731.10-383,267.01-150,403.78

Finding the Fourth Proportional to 277,731.10, 383,267.01 and 150,403.78

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Solution

The fourth proportional to 277,731.10, 383,267.01 and 150,403.78 is: 207,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,731.10 : 383,267.01 = 150,403.78 : x
  2. Step 2: Convert to fraction form
    277,731.10/383,267.01 = 150,403.78/x
  3. Step 3: Cross multiply
    277,731.10x = 383,267.01 × 150,403.78
  4. Step 4: Simplify right side
    277,731.10x = 57,644,807,053.30
  5. Step 5: Solve for x
    x = 57,644,807,053.30/277,731.10
  6. Step 6: Final answer
    x = 207,556.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.